Sterna hirundo (Common Tern)

Systematics :

Kingdom: Animals (Animalia)
Phylum: Chordata
Subphylum: Vertebrata
Class: Birds (Aves)
Order: Charadriiformes
Family: Laridae
Genus: Terns (Sterna)
Species: Common Tern (Sterna hirundo)

Norwegian name: Makrellterne

Confusion species: Arctic Tern (Sterna paradisaea)

Norwegian Red List (2021): Endangered